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CSS two divs next to each other
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I don't know if this is still a current issue or not but I just encountered the same problem and used the CSS display: inline-block; tag.
Wrapping these in a div so that they can be positioned appropriately.
<div>
<div styl...
Match whitespace but not newlines
...ARATOR. Unicode does not consider it whitespace. For that reason, Perl \h differs from POSIX blank ([[:blank:]] in Perl, \p{Blank} in Java) and Java 8 \h. Admittedly, it's an edge case.
– Aleksandr Dubinsky
Feb 3 '16 at 18:07
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Can I force pip to reinstall the current version?
...ce-reinstall <package>
When upgrading, reinstall all packages even if they are already up-to-date.
pip install -I <package>
pip install --ignore-installed <package>
Ignore the installed packages (reinstalling instead).
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Any way to write a Windows .bat file to kill processes? [closed]
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You can do this with 'taskkill'.
With the /IM parameter, you can specify image names.
Example:
taskkill /im somecorporateprocess.exe
You can also do this to 'force' kill:
Example:
taskkill /f /im somecorporateprocess.exe
Just add one line per process you want to kill, save it as a .ba...
How do I get the parent directory in Python?
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@tzot: unfortunately os.path.dirname gives different results depending on whether a trailing slash is included in the path. If you want reliable results you need to use the os.path.join method in answer above.
– Artfunkel
Jun 28 '...
How do I encode and decode a base64 string?
... otherwise: the parameter name given in the exception might not be correct if left unchecked.
– tne
Aug 19 '15 at 8:57
6
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What is the printf format specifier for bool?
... _Bool or bool via stdbool.h . But is there also a printf format specifier for bool?
8 Answers
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...ount *Ref() {
++cnt_;
return this;
}
void Deref() {
if (--cnt_ == 0) {
delete this;
}
}
private:
std::unique_ptr<T> ptr_;
std::atomic_uint32_t cnt_;
};
仔细观察可以发现：
每一次的读取操作对应引用计数中增加的数值 1；
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What's the best way to build a string of delimited items in Java?
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I am wondering - does this take into account if the String representation of an Object in the Collection contains the delimiter character itself?
– GreenieMeanie
Jul 8 '09 at 20:03
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Array to Hash Ruby
...e comments): "Be very careful with this. Ruby expands splats on the stack. If you do this with a large dataset, expect to blow out your stack."
So, for most general use cases this method is great, but use a different method if you want to do the conversion on lots of data. For example, @Łukasz Nie...